Combined radio receiving set and sound-amplifying horn



Nov. f5, 19.27.

COMBINED RADIO RECEIVING SET AND SOUND MPLIFYING HORN Filed June 1o. 1922 iintentedV idiom l5, i922?,

, itl .dw i? ilifiiqhihiwi FF@4 WALTER LFI'ETON, El* CHXGAGO, KZLLNOIS.

GOMBNED B15173311) BEGEIVELMG SET ANI) EOUND-AMPLIFYING ZEIGEN.

pplieatien led .Time 1922. Serial No. 567,383.

The invention relates to combined iodio As shown in the drewngs: Figure 1 is a. receiving sets and phonograplis, end boadiy .iront elevation of e cabinet constructed to refers in this pbase thereof to the connection support und enclose e combination tedio reof the :indio-:frequency ciircuitbf the indio eivig; Set and phonograph embodyin my oo 5 receiving set with the ordinary tone man or invention, 'the doors and covers beings own the horn. of n phonograph, the parte being 1n their open position. And Figure 2 is constructed and arranged in such s. wey that o detail of the connection of the tone crm or the 'two zippeiotus muy be operated indeborn phone and o, valve for opening and clospendently oit' euch othei", in accordance with lng the tone :1i-1n. @5 lo the iespective laws oit their stuclzure. @it the drawings refermn to the construciti'y invention is herein shown as embodied tion shown in Figures l. enc 2, 10 designates,

in and adapted to a complete phonograph, 11S 21 Whole, a Cabinet provided 'with two com` and the details of the inifcntion will be here plll'tlllcnts arranged side by side to receive inciter described in connection wth tbc regu- 11nd Support the radio receiving set desi ut- 'lo l5 loi elements of a phonograph; but it will be od, s o Whole, by 11, and n portion 0 the undestood that the invention is capable ol i011@` 11H11 lil and horn 13. The doors 14; similar adaptations to e sound Wave zunpliivh'ioh close the compartments and the swingicing hcw of other Spcgicaly difformi ing covers l5 are shown in their open Pos1- oi'nis. *Gestein of the features of constiuc- M0118- 2o tion me particularly adapted to c regular The ports of the radiofreceivng set disphonog'nph set and ere herein claimed ne '310596 LH Flgglh' l are mounted on e panel suchn 1G.n Gi the parte Winch are thus shown 17 Wfl-Len tha nvnigign i5 adapted t0 3 phon- (ltiSlgllLiS, RS il WllOi, PdliiS O the detetl oginph tone erm or horn, a valve in the 11411611 Hwy be of 11.115' Suitable typo, sind 18 80 ione :ii-1n is employed, which is Adapted and 19 the ports olf o two stage audio-fie.

to be so adjusted, when the phonogmijuh lllllwy dlllplllol.

is inc ependentiy used, to establish 'f1-cc, The hond phones 20 ere connected by the connnuniczition between the phonograph i'cusualcord Q1 to the audio-frequencv empli- Aproducer und thc hom, und is :nlupted to liooclicut through :my suitable connection e5 be adjusted to cut off such communication 1111l1Jj1l'Cd 11S L-Wl1olo by 22. Such as a plug v whenjthe horn phone is in circuit with the owljnok. connection. The hom phone or reoudiofi'i'ci'uency circuit; and seid i'aivo is ll'UKlHCfl Q3 iS 81S() amgod to be connected pieiicrfibiy constructed so that when it is odll'fll'l il CUT@ Q4 i The' alldl0*f1`equency jiusted to cui oit communication between the amplifier circuit in any suitable manner. 90 reproduce? and the horn there will be estnbf llwl SWCH COUHECOHS are diagrammatilislied free communication betwec'u`tl1e hom Gully mll 11i' Q5 111 l 52C, the presence 01 phone sind the horn through a. conduit :Eroe 11S@ of which will depend upon the particular hum Shu? mgum. wmf typo of radio receiving sot employed.

The ciwuit connections onubli the person In lJOll lh@ COUSIUQUOHS Sl1OWI1 'Valves g5 40 operating the combined apparatus to tune 111'@ Omplojcd for opening and closing the thc anfiiodyequcncy circuit, to thc, incoming conduits between the reproducers and horns. radio 'frequency oscillations in the usuel The valve 45 is o. slide vulve, to extend across i manner o tuning e radio receiving instruthe born thoroughfare in one adjustment,

nient, which con better be accomplished than and has :iy depending part 4:1 adapted in an- 100,A when the tone ann or horn phone is conother adjustment to close the sound chamber nected in the oudioi'equeney circuit oi: the G7 to the horn. Seid vcive and sound chamreceiver. "When such tuning has been eccombei' is movabie in suitable guides in the box plishedt the phone of the tone ann or horn o1' enclosure 39, and into and out of the re- 4 een be quickly connected in the audio-ire duced conduit of the horn 13. It is Oper- 105 5G quency sii-cuit o the receiving sei, and the ated by e handle 46 which extends through heed piece phones disconnected tlieioi'om, so :i suitable guide in the adjacent cebinej'j that the sound Waves produced b" phone et wall. `When said valve occupies the osithe tone erin or horn are nioded es iced tion shown in full line the Conduit or t orspealiing tones, with a minimum eliort und oughicre betveen the reproducen' and horn llo by ineens which do not affect tbe tuning of oi the phonograph is fully open to permit the indio circuits. iee passage of the sound Waves romiie re `#er lier/n. :ii-epe of the i5? including; the imonline? f', 1s suoli to close ofi' eoinmunloationbetween the its 'iuil line position. 'When said v; ooeupies the dotted position indicated in 7'" 2, the horn thorougliiare is out off ifr' u trejoreducer5 and the outlet conduit n liorn'phone vis in Jfree communicai with the t o horn, llnen 'the valve is in o. l rmediete position either or both 'fe- LLA) odueeis be used; and the valve may los used. to modif] the sonnes from l "epoduceix The surfaces oi the valve @und eherniier walls are so designed as "odloe flaring and .f-.uived surfaces h enst 'which the sound W ves impinge and to avoid sharp angles ich would, if reseni;1 im.:` 'r the trans aon ot the sound of the o receivanil need t. the oonin a very and. l

set i iii lne horn oi .te horn strueriiotion whim ra io apparatus ia'pted to 1C. C pea". mi lof.' the nliono the cirvzni. oi the *ii-loon usi@ the ,un an disturbing lim-sli lie omitted 'troni the `o ive in (zii-enit with the eifel iowever,

" @rooted 'while listening, di and wi-iliou; the

i' i i A sai ts being slidablj; ampi. f horn. the outlet of -i id eondui conduit, elterr entirely either of oui* ,J nngiiifying horn amo sound. sonne-. :'opoduoei molino loud. sneaking 4 if A u morn efiect 3. A sound ampliiier comprising two sound renfodueers,` a conduit leading from ear-.li reproducer, a common conduit, each of said first mentioned conduits being operatively connected to saidicommon conduit, and an amplifyingy horn Connected to said common conduit, the axes of the portions of said two conduits adjacent their points of connection to said Common conduit being parallel: whereby the two trains of sound waves are propagated 'in the same direction from said conduits into said common oonduit. and. means for alternately Closing said conduits.

il.. .en article of manufacture comprising; an amplifying liorn having an inlet, a con duit fixed to said horn and having an inlet. and an outlet, a slidabljY mounted second Conduit associated with said horn and having; an inlet and an outlet; means 'for sliding said second conduit, for operatively conne fing ei'lior of said Conduit outlets with said iiorn inlet; a phonograph sound reproftneer fixed to the inlet ot' one ot said -con duits. and a radio sound reprodueer fixed to the inlet. of said other conduit.

.Xn artiole of manufacture comprising a lim-n having an inlet. a. conduitI fixed to said horn and having an millet. the outlet oi' said Conduit facing the inlet of said horn.y and a second eonduit slidalol'v mounted and havingr an outlet. and moans for sliding said conduit -from one position to another when said second Conduit is in one position its ouilei. registering( with the inlet ot' said horn and closing7 the outlet of said other conduit, and when said second conduit is in another position the outletoi tim other oondnit. loeing; open and the oiuiet of Isaid second oon-- fluit being' Closed.

6. The combination of a radio sound roproducer5 phonograph reprodner, a do@ duit Connecting with nach ot said reproduoers. one of said conduits being slidaoly mounted, an amplifying horn.. ineens for siiding said slidably mounted conduit into and out of registry with the inlet of the amplifying horn, the outlet' of the other oonduit being operatively je'onneeted with the inlet of tlie amplifying horn.

En Witness whereof claim the foregoing as my invention, hereunto append mysig nature this seventh day of June, i922.

WVALTER LYT'BI. 

